The US Army is preparing for a future in which American military forces could face attacks on their own soil before deploying overseas, as drones, cyberattacks, long-range weapons and advanced surveillance technologies reshape the modern battlefield, Fox News Digital reported.Gen. Christopher LaNeve, the Army's acting chief of staff, said the US military could face significant challenges deploying forces against a major adversary, particularly China, if American bases, transportation networks and communications infrastructure come under attack."If we're going against a pacing threat, power projection will be contested," LaNeve told Fox News Digital on Wednesday.Speaking at the Association of the United States…